PROX offers you this exhaust valve for your Yamaha YZ 426 F /WR 426 F. As usual, PROX manufactures this valve in the best possible materials to guarantee excellent performance and reliability in your engine. This valve has the same characteristics as your quad's original valve. So you won't need to make any adjustments. As you can see, PROX titanium is a good alternative for repairing your engine at lower cost with quality products.

Fits on:

YAMAHA YZ 426 F 2001

YAMAHA YZ 426 F 2002

YAMAHA WR 426 F 2001

YAMAHA WR 426 F 2002